| 整蛊王 |
2007-09-09 22:58 |
//查询是否选择条件
function ValidData(txtAcount,txtPwd,txtCode)
{
var obj0 = document.getElementById(txtAcount);//通行证帐号
var obj1 = document.getElementById(txtPwd);//通行证密码
var obj2 = document.getElementById(txtCode);//验证码
var vobj0 = "";
var vobj1 = "";
var vobj2 = "";
if(obj0 != null)
{
vobj0=obj0.value;
}
if(obj1 != null)
{
vobj1=obj1.value;
}
if(obj2 != null)
{
vobj2=obj2.value;
}
if(obj0 != null && vobj0=="")
{
alert("请输入通行证帐号！")
obj0.focus();
return false;
}
if(obj1 != null && vobj1=="")
{
alert("请输入通行证密码！")
obj1.focus();
return false;
}
if(obj2 != null && vobj2=="")
{
alert("请输入验证码！")
obj2.focus();
return false;
我想你们应该可以看出点什么
无论你输入什么都会被强制转到false就是失败
|
|